/*
 * To change this template, choose Tools | Templates
 * and open the template in the editor.
 */
package multiface.valentinorusso.servlet;

import it.sauronsoftware.base64.Base64;
import java.io.IOException;
import java.io.PrintWriter;
import java.util.Date;
import javax.persistence.EntityManager;
import javax.persistence.EntityManagerFactory;
import javax.servlet.ServletException;
import javax.servlet.annotation.WebServlet;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.servlet.http.HttpSession;
import multiface.valentinorusso.jpa.util.PersistenceManager;
import multiface.valentinorusso.jpa.Utente;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;

/**
 *
 * @author Diego64
 */
@WebServlet(name = "LogoutServlet", urlPatterns = {"/LogoutServlet"})
public class LogoutServlet extends HttpServlet {

    /**
     * Processes requests for both HTTP
     * <code>GET</code> and
     * <code>POST</code> methods.
     *
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    private static Log log = LogFactory.getLog(LogoutServlet.class);

    protected void processRequest(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
        PrintWriter out = response.getWriter();
        EntityManagerFactory emf = PersistenceManager.getInstance().getEntityManagerFactory();
        EntityManager em = emf.createEntityManager();
        HttpSession s = request.getSession();
        try {
            String sid = request.getParameter("adm");
            s.removeAttribute("admin");
        } catch (Exception ex) {
            out.print("no");
            log.error(ex);
        } finally {
            out.close();
            em.close();
            //emf.close();
        }
    }

    // <editor-fold defaultstate="collapsed" desc="HttpServlet methods. Click on the + sign on the left to edit the code.">
    /**
     * Handles the HTTP
     * <code>GET</code> method.
     *
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    @Override
    protected void doGet(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        processRequest(request, response);
    }

    /**
     * Handles the HTTP
     * <code>POST</code> method.
     *
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    @Override
    protected void doPost(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        processRequest(request, response);
    }

    /**
     * Returns a short description of the servlet.
     *
     * @return a String containing servlet description
     */
    @Override
    public String getServletInfo() {
        return "Short description";
    }// </editor-fold>
}
